/*
 * Index (Home) – Futuristic hero overlay + glass accents
 * Bootstrap 5 | Responsive
 */

/* Hero – gradient overlay for depth */
.hero-section {
    position: relative;
}
.hero-section::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg,
        rgba(0, 15, 40, 0.35) 0%,
        rgba(0, 15, 40, 0.15) 40%,
        rgba(0, 15, 40, 0.5) 100%);
    pointer-events: none;
}
.hero-section .hero-slide {
    position: relative;
}

/* Crash course PDF strip – glass bar */
.btn-pdf {
    margin-top: 0;
    padding: 1rem 0;
    position: relative;
    z-index: 2;
}
.btn-pdf .neon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.85rem 1.75rem;
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 14px;
    color: #fff;
    font-weight: 700;
    font-size: 1rem;
    text-decoration: none;
    transition: background 0.3s, border-color 0.3s, transform 0.2s;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.15);
}
.btn-pdf .neon-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.4);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

/* About section – subtle card lift */
.about-section .about-orange,
.about-section .about-mission-content {
    border-radius: 16px;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
}
@media (min-width: 768px) {
    .about-section .about-orange { border-radius: 0 16px 16px 0; }
}

/* Kalam quote – glass card */
.kalam-message {
    border-radius: 20px;
    background: linear-gradient(135deg, rgba(255,255,255,0.9), rgba(255,255,255,0.7));
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    box-shadow: 0 8px 32px rgba(0, 31, 63, 0.08);
}

/* Facilities section cards – modern hover */
.facilities-section .card,
.facilities-section .facility-card {
    border-radius: 16px;
    transition: transform 0.3s, box-shadow 0.3s;
}
.facilities-section .card:hover,
.facilities-section .facility-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 31, 63, 0.12);
}

@media (max-width: 575.98px) {
    .btn-pdf .neon-btn { padding: 0.75rem 1.25rem; font-size: 0.9rem; }
}